ShellExecute Open Document - How to pop on top?

I am using ShellExecute  with verb "open" to show *.txt files and *.pdf files.   I have been doing this forever, and was simple and worked fine.  Recently I changed some of the architecture of my application ( MFC, C++, VS2015 ) in that certain panels are Modal, others non-Modal, and I have various situations like "a Modal that is a child of a non-Modal" and so forth.   Now when I do a ShellExecute, the document is not on top -- its 'under' one or more of the screens of my app.  So, I've tried a few things to make it pop on top, like:

Instead of:
HINSTANCE h = ShellExecute(NULL, _T("open"), doc, NULL, NULL, SW_SHOWNORMAL);

I tried:
HWND hwnd = this->GetSafeHwnd();
HINSTANCE h = ShellExecute(hwnd, _T("open"), doc, NULL, NULL, SW_SHOWNORMAL);

( and in the above, instead of "this" which is the currently-open Modal panel, I tried passing its non-modal parent panel, and other guesses)

I also tried:
HINSTANCE h = ShellExecute(HWND_TOPMOST, _T("open"), doc, NULL, NULL, SW_SHOWNORMAL);

But in all cases, the document opens behind my full-screen panel or its parent, and can't be seen.

Is there some way to make the thing pop up 'top-most' ?
tullheadAsked:
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Minh Võ CôngCommented:
You can use ShellExecuteEx to create process and use SetForegroundWindow, SetActiveWindow to bring the window to top z order.

http://stackoverflow.com/questions/17166178/shell-execute-bring-window-to-front
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tullheadAuthor Commented:
Didn't try your solution - had already found another way before  you posted -- but thanks!
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frankhelkCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: Minh Võ Công (https:#a41864867)

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

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